VNF1048F datasheet(11/52 Pages) STMICROELECTRONICS

部品番号	VNF1048F

部品情報	High-side switch Controller with intelligent fuse protection for 12 V, 24 V and 48 V automotive applications

PDF	52 Pages

Scroll/Zoom	100%

メーカー	STMICROELECTRONICS [STMicroelectronics]

ホームページ	http://www.st.com

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11 / 52 page

Symbol

Parameter

Test conditions Min.

Typ.

Max.

Unit

8.2

VHSC_THRS_0

Hard Short Circuit protection thresholds

VHSC_THRS_1

VHSC_THRS_2

26.4

VHSC_THRS_3

30.3

VHSC_THRS_4

34.8

VHSC_THRS_5

VHSC_THRS_6

45.9

VHSC_THRS_7

52.8

VHSC_THRS_8

60.6

VHSC_THRS_9

69.6

VHSC_THRS_10

VHSC_THRS_11

91.9

VHSC_THRS_12

105.6

VHSC_THRS_13

121.3

VHSC_THRS_14

139.3

VHSC_THRS_15

160.00

8.3

VHSC_THRS_ACC

Hard Short Circuit protection threshold

accuracy

-5

8.4

VHSC_DELAY

Hard Short Circuit protection delay time

µs

8.5

VHSC_ADC_CONV

Hard Short Circuit protection ADC full range

resolution

VHSC_ADC[9:0] =

MIN((VSENSE/

160*1024),

1023)

1023

8.6

VHSC_ADC_RATE

Hard Short Circuit ADC sample rate

0.9

MSample/s

Table 16. Overcurrent protection

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

9.1 VOC_THRS_RANGE

Overcurrent protection threshold range

32 steps adjustable thru SPI

9.2

VOC_THRS_0

Overcurrent protection thresholds

-12%

+12%

VOC_THRS_1

7.2

VOC_THRS_2

8.7

VOC_THRS_3

-7%

10.4

+7%

VOC_THRS_4

11.8

VOC_THRS_5

VOC_THRS_6

13.8

VOC_THRS_7

14.8

VOC_THRS_8

15.8

VOC_THRS_9

16.8

VOC_THRS_10

17.9

VNF1048F

Main electrical characteristics

DS13084 - Rev 6

page 11/52

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